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cos 36^@ - cos72^@ =...

`cos 36^@ - cos72^@` =

A

1

B

`1/2`

C

`1/4`

D

`1/8`

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-MULTIPLE & SUBMULTIPLE -PRACTICE SHEET (EXERCISE - II) (LEVEL - I) (Straight Objective Type Questions)
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